From d16cb28304ae07de8e505a7e3421148683ad176d Mon Sep 17 00:00:00 2001
From: boufaras <boufaras@331e1502-861f-0410-8da2-ba01fb791d7f>
Date: Wed, 25 May 2011 21:43:42 +0000
Subject: [PATCH] X-swap neighbor

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2260 331e1502-861f-0410-8da2-ba01fb791d7f
---
 .../src/neighborhood/moGPUXSwapNeighbor.h     | 108 ++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 branches/ParadisEO-GPU/src/neighborhood/moGPUXSwapNeighbor.h

diff --git a/branches/ParadisEO-GPU/src/neighborhood/moGPUXSwapNeighbor.h b/branches/ParadisEO-GPU/src/neighborhood/moGPUXSwapNeighbor.h
new file mode 100644
index 000000000..5ddb2cb2a
--- /dev/null
+++ b/branches/ParadisEO-GPU/src/neighborhood/moGPUXSwapNeighbor.h
@@ -0,0 +1,108 @@
+/*
+ <moGPUXSwapNeighbor.h.h>
+ Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
+
+ Boufaras Karima, Thé Van Luong
+
+ This software is governed by the CeCILL license under French law and
+ abiding by the rules of distribution of free software.  You can  ue,
+ modify and/ or redistribute the software under the terms of the CeCILL
+ license as circulated by CEA, CNRS and INRIA at the following URL
+ "http://www.cecill.info".
+
+ In this respect, the user's attention is drawn to the risks associated
+ with loading,  using,  modifying and/or developing or reproducing the
+ software by the user in light of its specific status of free software,
+ that may mean  that it is complicated to manipulate,  and  that  also
+ therefore means  that it is reserved for developers  and  experienced
+ professionals having in-depth computer knowledge. Users are therefore
+ encouraged to load and test the software's suitability as regards their
+ requirements in conditions enabling the security of their systems and/or
+ data to be ensured and,  more generally, to use and operate it in the
+ same conditions as regards security.
+ The fact that you are presently reading this means that you have had
+ knowledge of the CeCILL license and that you accept its terms.
+
+ ParadisEO WebSite : http://paradiseo.gforge.inria.fr
+ Contact: paradiseo-help@lists.gforge.inria.fr
+ */
+
+#ifndef __moGPUXSwapNeighbor_h
+#define __moGPUXSwapNeighbor_h
+#include <neighborhood/moBackableNeighbor.h>
+#include <neighborhood/moXChangeNeighbor.h>
+#include <GPUType/moGPUPermutationVector.h>
+
+/**
+ * A GPU X-Swap Neighbor
+ */
+
+template<class Fitness>
+class moGPUXSwapNeighbor: public moBackableNeighbor<moGPUPermutationVector<Fitness> > ,
+		public moXChangeNeighbor<moGPUPermutationVector<Fitness> > {
+
+public:
+
+	typedef moGPUPermutationVector<Fitness> EOT ;
+	using moXChangeNeighbor<EOT>::indices;
+	using moXChangeNeighbor<EOT>::xChange;
+	using moXChangeNeighbor<EOT>::key;
+
+	/**
+	 *Default Constructor
+	 */
+
+	moGPUXSwapNeighbor() :
+		moXChangeNeighbor<EOT> () {
+	}
+
+	/**
+	 * Constructor
+	 * @param _xSwap the number of swap to do
+	 */
+
+	moGPUXSwapNeighbor(unsigned int _xSwap) :
+		moXChangeNeighbor<EOT> (_xSwap) {
+	}
+
+	/**
+	 * Apply the K-swap
+	 * @param _solution the solution to move
+	 */
+	virtual void move(EOT& _solution) {
+		EOT tmp(1);
+		for (unsigned int i = 0; i < xChange-1; i++) {
+			tmp[0] = _solution[indices[i]];
+			_solution[indices[i]] = _solution[indices[i + 1]];
+			_solution[indices[i + 1]] = tmp[0];
+		}
+		_solution.invalidate();
+
+	}
+
+	/**
+	 * apply the K-swap to restore the solution (use by moFullEvalByModif)
+	 * @param _solution the solution to move back
+	 */
+	virtual void moveBack(EOT& _solution) {
+		EOT tmp(1);
+		for (int i = xChange-1; i > 0; i--) {
+			tmp[0] = _solution[indices[i]];
+			_solution[indices[i]] = _solution[indices[i - 1]];
+			_solution[indices[i - 1]] = tmp[0];
+		}
+		_solution.invalidate();
+	}
+
+	/**
+	 * Return the class name.
+	 * @return the class name as a std::string
+	 */
+	virtual std::string className() const {
+		return "moGPUXSwapNeighbor";
+	}
+
+};
+
+#endif
+